Mar 7, 2017
diff --git a/lib/matplotlib/dates.py b/lib/matplotlib/dates.py
            YEARLY  : [1, 2, 4, 5, 10, 20, 40, 50, 100, 200, 400, 500,
                      1000, 2000, 4000, 5000, 10000],
            MONTHLY : [1, 2, 3, 4, 6],
            DAILY   : [1, 2, 3, 7, 14],
            DAILY   : [1, 2, 3, 7, 14, 21],
            HOURLY  : [1, 2, 3, 4, 6, 12],
            MINUTELY: [1, 5, 10, 15, 30],
            SECONDLY: [1, 5, 10, 15, 30],
                       SECONDLY, MICROSECONDLY]
        self.minticks = minticks

        self.maxticks = {YEARLY: 11, MONTHLY:12, DAILY:11, HOURLY: 12,
        self.maxticks = {YEARLY: 11, MONTHLY:8, DAILY:6, HOURLY: 12,
                         MINUTELY: 11, SECONDLY: 11, MICROSECONDLY: 8}
        if maxticks is not None:
            try:
diff --git a/lib/matplotlib/tests/baseline_images/test_dates/date_no_tick_overlap.png b/lib/matplotlib/tests/baseline_images/test_dates/date_no_tick_overlap.png
diff --git a/lib/matplotlib/tests/test_dates.py b/lib/matplotlib/tests/test_dates.py
 def test_tz_utc():
    dt = datetime.datetime(1970, 1, 1, tzinfo=mdates.UTC)
    dt.tzname()


 @image_comparison(baseline_images=['date_no_tick_overlap.png'],
                      extensions=['png'])
 def test_datetime_tick_overlap():
    #test issue 7712
    dates = [datetime.datetime(2017,1,i) for i in range(1,30)]
    values = list(range(1,30))
    plt.plot(dates, values)
Original file line number	Diff line number	Diff line change
Expand Up		@@ -927,7 +927,7 @@ def __init__(self, tz=None, minticks=5, maxticks=None,
		YEARLY : [1, 2, 4, 5, 10, 20, 40, 50, 100, 200, 400, 500,
		1000, 2000, 4000, 5000, 10000],
		MONTHLY : [1, 2, 3, 4, 6],
		DAILY : [1, 2, 3, 7, 14],
		DAILY : [1, 2, 3, 7, 14, 21],
		HOURLY : [1, 2, 3, 4, 6, 12],
		MINUTELY: [1, 5, 10, 15, 30],
		SECONDLY: [1, 5, 10, 15, 30],
Expand All		@@ -951,7 +951,7 @@ def __init__(self, tz=None, minticks=5, maxticks=None,
		SECONDLY, MICROSECONDLY]
		self.minticks = minticks

		self.maxticks = {YEARLY: 11, MONTHLY:12, DAILY:11, HOURLY: 12,
		self.maxticks = {YEARLY: 11, MONTHLY:8, DAILY:6, HOURLY: 12,
		MINUTELY: 11, SECONDLY: 11, MICROSECONDLY: 8}
		if maxticks is not None:
		try:
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -467,3 +467,12 @@ def test_DayLocator():
		def test_tz_utc():
		dt = datetime.datetime(1970, 1, 1, tzinfo=mdates.UTC)
		dt.tzname()


		@image_comparison(baseline_images=['date_no_tick_overlap.png'],
		extensions=['png'])
		def test_datetime_tick_overlap():
		#test issue 7712
		dates = [datetime.datetime(2017,1,i) for i in range(1,30)]
		values = list(range(1,30))
		plt.plot(dates, values)